An oak is a tree or shrub in the genus Quercus in the plant family Fagaceae.
Oak or OAK may also refer to:
Plants
- Allocasuarina, she-oak
- Allocasuarina decaisneana, desert oak
- Casuarina, she-oak
- Casuarina glauca, swamp oak
- Lagunaria, white oak
- Grevillea robusta, silky oak
- Silky oak (disambiguation)
- Toxicodendron, poison oak
- Grey oak
- Various tanbark oak or stone oak species in genera:
- Lithocarpus
- Notholithocarpus
People
- P. N. Oak (1917–2007), controversial Indian historian
- Oak Felder, songwriter and record producer
- Arnold Schwarzenegger, whose long term nickname in the world of bodybuilding is 'The Oak'
Places
- In the United States
- Oak, Missouri
- Oak, Nebraska
- Oak, West Virginia
- Oak Township, Stearns County, Minnesota
- Oakland International Airport in Oakland, California (OAK is the IATA and FAA LID code)
- Elsewhere
- Oakleigh railway station, in suburban Melbourne, Australia, MTM station code
Other uses
- Oak (band), English folk band
- Oak (programming language), a programming language that evolved into Java
- OAK Racing, endurance racing team
- OAK (flavoured milk), An Australian brand of favoured milk
- Oak Technology, defunct chipset maker
- Mr. Oak, a fictional character from the Doctor Who story Fury from the Deep
- Professor Oak, a fictional character of the anime, manga, and RPG series Pokémon
- Oakland Athletics, a Major League Baseball team based in Oakland, California
- Oak (wine), the use of oak in winemaking
- United Aircraft Building Corporation (Russian: OAK), company formed by merger of several Russian aerospace firms
- The Oak, 1992 Romanian film by Lucian Pintilie
See also
- Quercus (disambiguation)
- Oaks (disambiguation)
- Oak Tree (disambiguation)
- Oak Creek (disambiguation)
- All pages with titles beginning with oak
- All pages with titles containing oak